An _____ property depends upon the size of the sample correct answer: extensive
Density is expressed in correct answer: grams/mL
In the density lab experiment, we learned how to correct answer: find the volume of an unknown sample
Density can be found by correct answer: a direct measur...
chem 1011 final Questions With
Complete Solutions
An _____ property depends upon the size of the sample correct
answer: extensive
Density is expressed in correct answer: grams/mL
In the density lab experiment, we learned how to correct answer:
find the volume of an unknown sample
Density can be found by correct answer: a direct measurment
(g/mL)
In the density lab experiment, which balance did we use? correct
answer: analytical, semi-analytical, triple beam
Which of the follow properties will not be studied in this
experiment? correct answer: colligative properties (?)
You should obtain a total of ___ samples of your unknown
metallic element in the density lab correct answer: 6
You should find the mass of your sample by means of ____
calculations in the density lab experiment correct answer:
difference
, When testing the volume of your sample in the density lab
experiment, you should correct answer: tilt the graduated
cylinder at an angle, then drop in the sample
A graduated cylinder can be read to correct answer: the nearest
tenth of a milliliter
physical change correct answer: any change that doesn't involve
the production of new chemical species
(freezing/evaporation, shattering of glass, dissolution of
salt/sugar in water, sublimation of moth balls)
chemical change correct answer: a change in which substances
are converted into new substances
chemical property correct answer: describes the chemical
changes (kinds of reactions) that the substance undergoes
physical property correct answer: property of matter which can
be observed without changing the composition of the matter
present in the sample
Extensive properties correct answer: depend on the size of the
sample
Intensive properties correct answer: characterize a substance but
are independent of the amount of material (boiling and freezing
pt)
density correct answer: mass per unit volume of the substance
(g/mL)
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